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Finding the Fourth Proportional to 255,626.88, 383,180.58 and 105,948.60

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Solution

The fourth proportional to 255,626.88, 383,180.58 and 105,948.60 is: 158,815.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,626.88 : 383,180.58 = 105,948.60 : x
  2. Step 2: Convert to fraction form
    255,626.88/383,180.58 = 105,948.60/x
  3. Step 3: Cross multiply
    255,626.88x = 383,180.58 × 105,948.60
  4. Step 4: Simplify right side
    255,626.88x = 40,597,445,998.19
  5. Step 5: Solve for x
    x = 40,597,445,998.19/255,626.88
  6. Step 6: Final answer
    x = 158,815.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.